title: Metastatic colonic tumors vs. primary lung adenocarcinomas.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000556:secondary